diff options
Diffstat (limited to 'third_party/heimdal/lib/roken/setprogname.c')
-rw-r--r-- | third_party/heimdal/lib/roken/setprogname.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/setprogname.c b/third_party/heimdal/lib/roken/setprogname.c new file mode 100644 index 0000000..d24106a --- /dev/null +++ b/third_party/heimdal/lib/roken/setprogname.c @@ -0,0 +1,91 @@ +/* + * Copyright (c) 1995-2004 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <config.h> + +#include "roken.h" + +#ifndef HAVE___PROGNAME +extern const char *__progname; +#endif + +#ifndef HAVE_SETPROGNAME + +ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL +setprogname(const char *argv0) +{ + +#ifndef HAVE___PROGNAME + + const char *p; + if(argv0 == NULL) + return; + p = strrchr(argv0, '/'); + +#ifdef BACKSLASH_PATH_DELIM + { + const char * pb; + + pb = strrchr((p != NULL)? p : argv0, '\\'); + if (pb != NULL) + p = pb; + } +#endif + + if(p == NULL) + p = argv0; + else + p++; + +#ifdef _WIN32 + { + char * fn = strdup(p); + char * ext; + + strlwr(fn); + ext = strrchr(fn, '.'); + if (ext != NULL && strcmp(ext, ".exe") == 0) + *ext = '\0'; + + __progname = fn; + } +#else + + __progname = p; + +#endif + +#endif /* HAVE___PROGNAME */ +} + +#endif /* HAVE_SETPROGNAME */ |